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1、 Book5 - Unit1 Great scientists Reading： John Snow Defeats “King Cholera” (學(xué)案) Fast reading ： Read the text quickly and find out the main idea of each paragraph. Para 1 A . the problem Para 2 B. the method Para 3 C. the cause----two theories Para 4

2、 D. the result and conclusion Para 5 E. the discovery Para 6 F. the suggestion Careful reading： Task 1： Choose the best answers according to the text. 1.Why did John Snow attend Queen Vivtoria as her personal physician? A. Because he was well known all

3、 over the world. B. Because he was expert at medical science. C. Because he was an old doctor. D. Because Queen Victoria liked him very much. 2. Which of the following statements is Not true according to the text? A. John Snow was a famous do

4、ctor. B. John Snow finally defeated “King Cholera”. C. Cholera was a deadly disease of its day. D. Few people died every time there was an outbreak of cholera. 3. After he made further investigations, John Snow found . A. Ch

5、olera multiplied in the air B. people absorbed this disease into their bodies. C. the water from the polluted river was to blame D. flies spread the disease 4. How was “King Cholera” defeated?

6、 A. By people’s not polluting the river again B. By people’s eating healthy diets. C. By people’s delivering the water from other places. D. By people’s stopping drinking the polluted water. 5. What’s the main idea of the text?

7、 A. John Snow was a well-known doctor in London. B. The cause of cholera was polluted water. C. the source of all drinking water supplies should be examined. D. How John Snow defeated “King Cholera”. Task 2: Complete the

8、table according to the text. John Snow Defeats “King Cholera” About John Snow He was a famous 1. and Queen Victoria’s personal physician. He made up his mind to solve the problem of 2. . About cholera It was a 3. disease of its day. People didn’t know its caus

9、e or its 4. . Many thousands of people died every time there was an outbreak. Two theories Cholera spread in a cloud of dangerous gas. Cholera was 5. into people’s bodies with their meals. His suspicion He thought that the 6. theory was correct. The

10、course of finding evidence As the disease spread quickly through poor neighbourhoods of London, John Snow began to gather information. He found the outbreak was very 7. in two particular streets. After further investigations he discovered it seemed that the water was to 10.

11、 . When people didn’t use the 8. water, the disease slowed down, which showed that cholera was really spread by germs. Ways to prevent cholera from happening John Snow suggested that the 9. of all the water supplies be examed. The water companies were 10. no

12、t to expose people to polluted water any more. Post reading: Complete the passage according to the text. John Snow was a well-known physician in London in the 19th century and wanted to help ordinary people 1. (expose) to cholera which was the deadly disease of its day. It was believe

13、d that cholera was commonly caused by the baceria in the air or people absorbed this sisease into their bodies with their meals. 2. (suspect) that the second theory was correct, he made further investigations and discovered that it was the water that was 3. (blame). Next, John Snow

14、 looked into the source of the water for these two streets 4. all the dead people had lived. Fortunately 5. he found that it came from the river polluted by the dirty water from London, he told the 6. (astonish) people in Broad Street immediately to remove the han

15、dle from the pump so that 7. could not be used. In another part of London, supporting evidence from two other 8. (die) that were linked to the Broad Street outbreak was found by him, too. 9. this extra evidence, John Snow was able to announce with 10. (certain) that polluted water carried the virus. Finally “King Cholera” was defeated.